Perhaps you should try some spelling variations:
rank » ranks, frank, bank
sand » stand, band, san
hand » had, band, hard
bond » bonds
grand » grant, brand
gband » band
gharo » ghard, gharm, ghero
haro » hard, harm, hero
hart » heart, hard, harm
chart » cheart, chard, charm, charts
chparts » charts
hari » hard, hadi, harm
cpart » cpar, cpars, czart
cart » carts, care, car

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rank OR sand) OR hand) OR land) OR bond) OR ((grand OR gband) OR (gharo OR ((haro OR ((hart OR chparts) OR (art OR part))) OR (hari OR (((cpart OR apart) OR chart) OR cart)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rank or sand) or hand) or land) or bond) or ((grand or gband) or (gharo or ((haro or ((hart or chparts) or (art OR part))) or (hari or (((cpart or apart) or chart) or cart)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rank or sand) or hand) or land) or bond) or ((grand or gband) or (gharo or ((haro or ((hart or chparts) or (art OR part))) or (hari or (((cpart or apart) or chart) or cart)))))) counterinsurgency study ;*.